{{ $featured_image := .Param "featured_image"}}
{{ if $featured_image }}
{{/* Trimming the slash and adding absURL make sure the image works no matter where our site lives */}}
{{ $featured_image := (trim $featured_image "/") | absURL }}
<header class="cover bg-top" style="background-image: url('{{ $featured_image }}');">
    <div bg-black-60 class="{{ .Site.Params.cover_dimming_class | default}}">
    {{ partial "site-navigation.html" .}}
    <div class="tc-l pv4 pv6-l ph3 ph4-ns">
        <h1 class="f2 f-subheadline-l fw2 white-90 mb0 lh-title">
            {{ .Title | default .Site.Title }}
        </h1>
        {{ with .Params.description }}
        <h2 class="fw1 f5 f3-l white-80 measure-wide-l center mt3">
            {{ . }}
        </h2>
        {{ end }}
    </div>
    </div>
</header>
{{ else }}
<header>
    <div bg-black class="pb3-m pb6-l {{ .Site.Params.background_color_class | default}}">
    {{ partial "site-navigation.html" . }}
    <div class="tc-l pv3 ph3 ph4-ns">
        <h1 class="f2 f-subheadline-l fw2 light-silver mb0 lh-title">
            {{ .Title | default .Site.Title }}
        </h1>
        {{ with .Params.description }}
        <h2 class="fw1 f5 f3-l white-80 measure-wide-l center lh-copy mt3 mb4">
            {{ . }}
        </h2>
        {{ end }}
    </div>
    </div>
</header>
{{ end }}
